ECG acute infero-postero-lateral myocardial infarction

Electrocardiogram showing the major features of an inferior (Q waves, ST elevations, and T wave inversions in II, III, and aVF), posterior (tall R waves in V1 and V2), and lateral (T wave inversions in V4 to V6) myocardial infarction.

Normal electrocardiogram showing normal sinus rhythm at a rate of 75 beats/minute, a PR interval of 0.14 seconds, a QRS interval of 0.10 seconds, and a QRS axis of approximately 75°.